Abstract
Recently many super high rise buildings have been built in the rising nation. Elevator lateral vibration is one of the main problems affecting ride comfort. In the ultra-high-speed elevator, peculiar vibration is activated and it is difficult to maintain ride comfort by the conventional vibration suppression technique. We have developed a new active vibration reduction system to suppress the lateral vibration of ultra-high-speed elevators. In this research, the application of mu synthesis to this system is dealt with, so that the performance to suppress vibration and the robustness about several parameter errors are investigated. We manufactured the active vibration reduction system and the experimental device to verify vibration reduction effect in ultra-high-speed elevators. Experimental results show that the active vibration reduction system is capable of reducing the lateral vibration.
